package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.util.List;

@Slf4j
@RestController
@RequestMapping("/category")
@CrossOrigin
public class CategoryController {
    @Autowired
    private CategoryService categoryService;


    /**
     * 分类信息分页查询
     *
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize) {
//        log.info("page={},pagesize={}",page,pageSize);
        //构造分页构造器
        Page pageInfo = new Page(page, pageSize);
        //构造条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper();
        //添加过滤条件
//        queryWrapper.like(StringUtils.isNotEmpty(name),Category::getName,name);
        //添加排序条件
        queryWrapper.orderByAsc(Category::getSort);
        //执行查询
        categoryService.page(pageInfo, queryWrapper);
        return R.success(pageInfo);
    }


    /**
     * 新增菜品种类
     *
     * @param request
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(HttpServletRequest request, @RequestBody Category category) {
        log.info("新增菜品种类,种类信息:{}", category.toString());

        categoryService.save(category);
        return R.success("新增菜品种类成功");
    }

    /**
     * 通用方法 根据id修改菜品种类信息
     *
     * @param request
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(HttpServletRequest request, @RequestBody Category category) {
        log.info("修改分类信息:{}", category);
        categoryService.updateById(category);
        return R.success("菜品种类信息修改成功");
    }

    /**
     * 根据id删除分类
     *
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long id) {
        //categoryService.removeById(id);
        //调用自定义的删除方法
        categoryService.remove(id);
        return R.success("分类信息删除成功");
    }

    /**
     * 根据条件查询分类数据
     *
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category) {
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加条件 如果传过来的Type不为空 就根据 category.getType() 去 查询 与之等值的数据
        queryWrapper.eq(category.getType() != null, Category::getType, category.getType());
        //添加排序条件 Sort升序 UpdateTime降序
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(queryWrapper);

        return R.success(list);
    }



}
